Composer包安装失败：依赖版本冲突问题求助

您的依赖要求无法解析为一组可安装的软件包。

错误详情 #

问题1
- 根目录下的composer.json要求realdriss/platform ^1.0 -> 可由realdriss/platform[v1.0.0]满足。
- realdriss/platform v1.0.0要求kris/laravel-form-builder 1.16.x-dev -> 已找到kris/laravel-form-builder[dev-master, 0.1.8, 1.0, ..., 1.52.x-dev (别名dev-master), 2.x-dev]，但不符合版本约束。
问题2
- realdriss/platform v1.0.0要求kris/laravel-form-builder 1.16.x-dev -> 已找到kris/laravel-form-builder[dev-master, 0.1.8, 1.0, ..., 1.52.x-dev (别名dev-master), 2.x-dev]，但不符合版本约束。
- realdriss/shortcode v1.0.0要求realdriss/platform *@dev -> 可由realdriss/platform[v1.0.0]满足。
- 根目录下的composer.json要求realdriss/shortcode ^1.0 -> 可由realdriss/shortcode[v1.0.0]满足。

执行的命令 #

composer install --prefer-source

我的composer.json内容 #

{
  "name": "laravel/laravel",
  "description": "The Laravel Framework.",
  "keywords": [
    "framework",
    "laravel"
  ],
  "license": "MIT",
  "type": "project",
  "require": {
    "php": "^7.3|^8.0",
    "ext-curl": "*",
    "ext-json": "*",
    "ext-zip": "*",
    "beyondcode/laravel-websockets": "^1.14",
    "realdriss/menu": "^1.0",
    "realdriss/page": "^1.0",
    "realdriss/platform": "^1.0",
    "realdriss/plugin-management": "^1.0",
    "realdriss/shortcode": "^1.0",
    "realdriss/theme": "^1.0",
    "doctrine/dbal": "^3.0",
    "fideloper/proxy": "^4.4",
    "fruitcake/laravel-cors": "^2.0",
    "gathuku/laravelmpesa": "^1.2",
    "guzzlehttp/guzzle": "^7.0.1",
    "laravel/framework": "^8.12",
    "league/flysystem-aws-s3-v3": "^1.0",
    "pusher/pusher-php-server": "~3.0",
    "realdriss/sitemap": "*",
    "wikimedia/composer-merge-plugin": "^2.0"
  },
  "require-dev": {
    "barryvdh/laravel-debugbar": "^3.2",
    "barryvdh/laravel-ide-helper": "^2.6",
    "beyondcode/laravel-dump-server": "^1.9",
    "facade/ignition": "^2.5",
    "fakerphp/faker": "^1.10",
    "laravel/sail": "^1.0.1",
    "laravel/tinker": "^2.5",
    "mockery/mockery": "^1.4.2",
    "nunomaduro/collision": "^5.2",
    "phpunit/phpunit": "^9.3.3"
  },
  "autoload": {
    "psr-4": {
      "App\\": "app/",
      "Database\\Factories\\": "database/factories/",
      "Database\\Seeders\\": "database/seeders/"
    }
  },
  "autoload-dev": {
    "psr-4": {
      "Tests\\": "tests/"
    }
  },
  "extra": {
    "laravel": {
      "dont-discover": []
    },
    "merge-plugin": {
      "include": [],
      "recurse": false,
      "replace": false,
      "ignore-duplicates": false,
      "merge-dev": false,
      "merge-extra": false,
      "merge-extra-deep": false,
      "merge-scripts": false
    },
    "google/apiclient-services": [
      "Analytics"
    ]
  },
  "scripts": {
    "post-root-package-install": [
      "@php -r \"file_exists('.env') || copy('.env.example', '.env');\""
    ],
    "post-create-project-cmd": [
      "@php artisan key:generate --ansi"
    ],
    "post-autoload-dump": [
      "Illuminate\\Foundation\\ComposerScripts::postAutoloadDump",
      "@php artisan package:discover --ansi"
    ],
    "post-update-cmd": [
      "Google\\Task\\Composer::cleanup"
    ]
  },
  "config": {
    "preferred-install": "dist",
    "sort-packages": true,
    "optimize-autoloader": true,
    "allow-plugins": {
      "wikimedia/composer-merge-plugin": true
    }
  },
  "minimum-stability": "dev",
  "prefer-stable": true,
  "repositories": []
}

解决方案 #

1. 冲突原因：realdriss/platform v1.0.0 依赖的 kris/laravel-form-builder 1.16.x-dev 版本不存在，该包公开版本中无此分支，仅提供dev-master、0.x、1.x（最高1.52.x-dev）和2.x-dev版本。

2. 可行解决办法：

   • 升级依赖版本：修改composer.json中realdriss/platform的版本要求为更高兼容版本（如^2.0），需确认与其他依赖的兼容性。
   • 版本别名覆盖：在composer.json的require中添加版本别名，将现有可用版本伪装成所需版本，需确认版本功能兼容：

     "require": {
       // 其他依赖保持不变
       "kris/laravel-form-builder": "1.52.x-dev as 1.16.x-dev"
     }
     

   • 添加仓库源：若realdriss/platform有未同步到Packagist的分支，在repositories中添加其仓库地址：

     "repositories": [
       {
         "type": "vcs",
         "url": "https://github.com/realdriss/platform.git"
       }
     ]
     

内容的提问来源于stack exchange，提问作者Godwin Waswa